Path Traversal in Rockwell Automation Thinmanager Thinserver
CVE-2023-27855
In affected versions, a path traversal exists when processing a message in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker could potentially exploit this vulnerability to upload arbitrary files to any directory on the disk drive where ThinServer.exe is installed. The attacker could overwrite existing executable files with attacker-controlled, malicious contents, potentially causing remote code execution.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.135 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.135 · newest: 0.135 · change: 0.000
Affected products
- Rockwell Automation Thinmanager Thinserver — versions 6.x - 10.x, 11.0.0 - 11.0.5, 11.1.0 - 11.1.5
- Rockwellautomation Thinmanager — versions 13.0.0, 13.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640 (Permissions Required, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27855?
- CVE-2023-27855 is a critical-severity vulnerability in Rockwell Automation Thinmanager Thinserver, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-03-22.
- How severe is CVE-2023-27855?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-27855 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.